67308223 has 8 divisors (see below), whose sum is σ = 69677696. Its totient is φ = 64951200.

The previous prime is 67308169. The next prime is 67308229. The reversal of 67308223 is 32280376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67308223 - 2⁹ = 67307711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67308229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8653 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (8709712).

Almost surely, 2^67308223 is an apocalyptic number.

67308223 is a deficient number, since it is larger than the sum of its proper divisors (2369473).

67308223 is a wasteful number, since it uses less digits than its factorization.

67308223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 67308223 is about 8204.1588843708. The cubic root of 67308223 is about 406.7766746045.

Adding to 67308223 its reverse (32280376), we get a palindrome (99588599).

The spelling of 67308223 in words is "sixty-seven million, three hundred eight thousand, two hundred twenty-three".